| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MEDIA_CDM_PPAPI_EXTERNAL_CLEAR_KEY_LIBVPX_CDM_VIDEO_DECODER_H_ |
| #define MEDIA_CDM_PPAPI_EXTERNAL_CLEAR_KEY_LIBVPX_CDM_VIDEO_DECODER_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "media/cdm/ppapi/api/content_decryption_module.h" |
| #include "media/cdm/ppapi/external_clear_key/cdm_video_decoder.h" |
| |
| struct vpx_codec_ctx; |
| struct vpx_image; |
| |
| namespace media { |
| |
| class LibvpxCdmVideoDecoder : public CdmVideoDecoder { |
| public: |
| explicit LibvpxCdmVideoDecoder(CdmHost* host); |
| virtual ~LibvpxCdmVideoDecoder(); |
| |
| // CdmVideoDecoder implementation. |
| virtual bool Initialize(const cdm::VideoDecoderConfig& config) OVERRIDE; |
| virtual void Deinitialize() OVERRIDE; |
| virtual void Reset() OVERRIDE; |
| virtual cdm::Status DecodeFrame(const uint8_t* compressed_frame, |
| int32_t compressed_frame_size, |
| int64_t timestamp, |
| cdm::VideoFrame* decoded_frame) OVERRIDE; |
| virtual bool is_initialized() const OVERRIDE { return is_initialized_; } |
| |
| // Returns true when |format| and |data_size| specify a supported video |
| // output configuration. |
| static bool IsValidOutputConfig(cdm::VideoFormat format, |
| const cdm::Size& data_size); |
| |
| private: |
| // Allocates storage, then copies video frame stored in |vpx_image_| to |
| // |cdm_video_frame|. Returns true when allocation and copy succeed. |
| bool CopyVpxImageTo(cdm::VideoFrame* cdm_video_frame); |
| |
| bool is_initialized_; |
| |
| CdmHost* const host_; |
| |
| vpx_codec_ctx* vpx_codec_; |
| vpx_image* vpx_image_; |
| |
| DISALLOW_COPY_AND_ASSIGN(LibvpxCdmVideoDecoder); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_CDM_PPAPI_EXTERNAL_CLEAR_KEY_LIBVPX_CDM_VIDEO_DECODER_H_ |